This is the 2105th most frequent Spanish word.
cocaína
"Cocaína" in English is defined as "cocaine, a powerful stimulant drug derived from coca leaves."
Here, 'cocaína' is used as a noun to refer specifically to the drug.
La cocaína es una sustancia ilegal en muchos países.
Cocaine is an illegal substance in many countries.
In this sentence, 'cocaína' again acts as a noun but is used in the context of illegal trading.
El tráfico de cocaína afecta a muchas comunidades.
The trafficking of cocaine affects many communities.
Finally, 'cocaína' is used as a noun to describe the substance involved in the creation process within a laboratory.